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package org.openecomp.sdc.be.dao.utils;
import com.google.common.collect.ImmutableMap;
import org.junit.Test;
import java.util.*;
import java.util.function.Function;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.openecomp.sdc.be.dao.utils.MapUtil.mergeMaps;
public class MapUtilTest {
@Test
public void mergeMaps_whenBothMapsAreNull_returnEmptyMap() {
assertThat(mergeMaps(null, null)).isEmpty();
}
@Test
public void mergeMaps_whenFirstMapIsNull_returnSecondMap() {
ImmutableMap<String, String> second = ImmutableMap.of("a", "b", "c", "d");
assertThat(mergeMaps(null, second))
.isNotSameAs(second)
.containsAllEntriesOf(second);
}
@Test
public void mergeMaps_whenSecondMapsIsNull_returnFirstMap() {
ImmutableMap<String, String> first = ImmutableMap.of("a", "b", "c", "d");
assertThat(mergeMaps(first, null))
.isNotSameAs(first)
.containsAllEntriesOf(first);
}
@Test
public void mergeMaps_avoidDuplications_takeValFromFirstMap() {
ImmutableMap<String, String> first = ImmutableMap.of("key1", "val1", "key2", "val2");
ImmutableMap<String, String> second = ImmutableMap.of("key1", "val11", "key3", "val3");
assertThat(mergeMaps(first, second))
.containsEntry("key1", "val1")
.containsEntry("key2", "val2")
.containsEntry("key3", "val3");
}
@Test
public void testGet() throws Exception {
Map<String, ? extends Object> map = null;
String path = "";
Object result;
// default test
result = MapUtil.get(map, path);
path = "\\mock\\mock";
result = MapUtil.get(map, path);
}
@Test
public void testGroupListBy() throws Exception {
Collection valuesToMap = new LinkedList<String>();
Function<String, String> groupingFunction = new Function<String, String>() {
@Override
public String apply(String t) {
return t;
}
};
Map<String, List<String>> result;
// default test
result = MapUtil.groupListBy(valuesToMap, groupingFunction);
}
@Test
public void testToMap() throws Exception {
Collection<String> valuesToMap = null;
Function<String, String> mappingFunction = null;
Map<String, String> result;
// default test
result = MapUtil.toMap(valuesToMap, mappingFunction);
}
@Test
public void testConvertMapKeys() throws Exception {
Map<String, List<String>> map = new HashMap<>();
Function<String, String> keyMappingFunction = new Function<String, String>() {
@Override
public String apply(String t) {
return t;
}
};
Map<String, List<String>> result;
// default test
result = MapUtil.convertMapKeys(map, keyMappingFunction);
}
@Test
public void testNewHashMap() throws Exception {
final String[] keys1 = new String[] { "mock" };
final String[] values1 = new String[] { "mock" };
Map<String, String> result;
// test 1
result = MapUtil.newHashMap(keys1, values1);
// test 2
final String[] keys2 = new String[] { "mock" };
final String[] values2 = null;
assertThatThrownBy(() -> MapUtil.newHashMap(keys2, values2))
.isInstanceOf(IllegalArgumentException.class);
// test 3
final String[] keys3 = null;
final String[] values3 = null;
assertThatThrownBy(() -> MapUtil.newHashMap(keys3, values3))
.isInstanceOf(IllegalArgumentException.class);
// test 4
final String[] values4 = new String[] { "mock" };
final String[] keys4 = null;
assertThatThrownBy(() -> MapUtil.newHashMap(keys4, values4))
.isInstanceOf(IllegalArgumentException.class);
}
}
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